Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/120#discussion_r95707294
--- Diff:
src/java/main/org/apache/zookeeper/server/persistence/FileTxnSnapLog.java ---
@@ -167,6 +175,16 @@ public long restore(DataTree dt, Map<Long, Integer>
sessions,
PlayBackListener listener) throws IOException {
long deserializeResult = snapLog.deserialize(dt, sessions);
FileTxnLog txnLog = new FileTxnLog(dataDir);
+ boolean suspectEmptyDB;
+ File initFile = new File(dataDir.getParent(), "initialize");
+ if (initFile.exists()) {
--- End diff --
As Java 7 is the default we could use the code below? The benefits are that
it automatically throws the `IOException` if an I/O error happens or return
`false` if the file doesn't exists.
```
if (Files.deleteIfExists(initFile.toPath()) {
suspectEmptyDB = false;
} else {
(...)
```
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